1 /*
2 *
3 * some common structs and functions to handle infrared remotes via
4 * input layer ...
5 *
6 * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #ifndef _IR_COMMON
24 #define _IR_COMMON
25
26 #include <linux/input.h>
27 #include <linux/workqueue.h>
28
29 #define IR_TYPE_RC5 1
30 #define IR_TYPE_PD 2 /* Pulse distance encoded IR */
31 #define IR_TYPE_OTHER 99
32
33 #define IR_KEYTAB_TYPE u32
34 #define IR_KEYTAB_SIZE 128 // enougth for rc5, probably need more some day ...
35
36 #define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \
37 ? tab[code] : KEY_RESERVED)
38
39 #define RC5_START(x) (((x)>>12)&3)
40 #define RC5_TOGGLE(x) (((x)>>11)&1)
41 #define RC5_ADDR(x) (((x)>>6)&31)
42 #define RC5_INSTR(x) ((x)&63)
43
44 struct ir_input_state {
45 /* configuration */
46 int ir_type;
47 IR_KEYTAB_TYPE ir_codes[IR_KEYTAB_SIZE];
48
49 /* key info */
50 u32 ir_raw; /* raw data */
51 u32 ir_key; /* ir key code */
52 u32 keycode; /* linux key code */
53 int keypressed; /* current state */
54 };
55
56 /* this was saa7134_ir and bttv_ir, moved here for
57 * rc5 decoding. */
58 struct card_ir {
59 struct input_dev *dev;
60 struct ir_input_state ir;
61 char name[32];
62 char phys[32];
63
64 /* Usual gpio signalling */
65
66 u32 mask_keycode;
67 u32 mask_keydown;
68 u32 mask_keyup;
69 u32 polling;
70 u32 last_gpio;
71 int shift_by;
72 int start; // What should RC5_START() be
73 int addr; // What RC5_ADDR() should be.
74 int rc5_key_timeout;
75 int rc5_remote_gap;
76 struct work_struct work;
77 struct timer_list timer;
78
79 /* RC5 gpio */
80 u32 rc5_gpio;
81 struct timer_list timer_end; /* timer_end for code completion */
82 struct timer_list timer_keyup; /* timer_end for key release */
83 u32 last_rc5; /* last good rc5 code */
84 u32 last_bit; /* last raw bit seen */
85 u32 code; /* raw code under construction */
86 struct timeval base_time; /* time of last seen code */
87 int active; /* building raw code */
88 };
89
90 void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
91 int ir_type, IR_KEYTAB_TYPE *ir_codes);
92 void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
93 void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
94 u32 ir_key, u32 ir_raw);
95 u32 ir_extract_bits(u32 data, u32 mask);
96 int ir_dump_samples(u32 *samples, int count);
97 int ir_decode_biphase(u32 *samples, int count, int low, int high);
98 int ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
99
100 void ir_rc5_timer_end(unsigned long data);
101 void ir_rc5_timer_keyup(unsigned long data);
102
103 /* Keymaps to be used by other modules */
104
105 extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
106 extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
107 extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE];
108 extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE];
109 extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE];
110 extern IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE];
111 extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE];
112 extern IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE];
113 extern IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE];
114 extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE];
115 extern IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE];
116 extern IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE];
117 extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE];
118 extern IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE];
119 extern IR_KEYTAB_TYPE ir_codes_pinnacle_grey[IR_KEYTAB_SIZE];
120 extern IR_KEYTAB_TYPE ir_codes_flyvideo[IR_KEYTAB_SIZE];
121 extern IR_KEYTAB_TYPE ir_codes_flydvb[IR_KEYTAB_SIZE];
122 extern IR_KEYTAB_TYPE ir_codes_cinergy[IR_KEYTAB_SIZE];
123 extern IR_KEYTAB_TYPE ir_codes_eztv[IR_KEYTAB_SIZE];
124 extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
125 extern IR_KEYTAB_TYPE ir_codes_videomate_tv_pvr[IR_KEYTAB_SIZE];
126 extern IR_KEYTAB_TYPE ir_codes_manli[IR_KEYTAB_SIZE];
127 extern IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE];
128 extern IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE];
129 extern IR_KEYTAB_TYPE ir_codes_pctv_sedna[IR_KEYTAB_SIZE];
130 extern IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE];
131 extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE];
132 extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE];
133 extern IR_KEYTAB_TYPE ir_codes_pinnacle_color[IR_KEYTAB_SIZE];
134 extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE];
135 extern IR_KEYTAB_TYPE ir_codes_npgtech[IR_KEYTAB_SIZE];
136 extern IR_KEYTAB_TYPE ir_codes_norwood[IR_KEYTAB_SIZE];
137 extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE];
138 extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE];
139 extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE];
140 extern IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE];
141 extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE];
142 extern IR_KEYTAB_TYPE ir_codes_fusionhdtv_mce[IR_KEYTAB_SIZE];
143 extern IR_KEYTAB_TYPE ir_codes_behold[IR_KEYTAB_SIZE];
144 extern IR_KEYTAB_TYPE ir_codes_pinnacle_pctv_hd[IR_KEYTAB_SIZE];
145 extern IR_KEYTAB_TYPE ir_codes_genius_tvgo_a11mce[IR_KEYTAB_SIZE];
146
147 #endif
148
149 /*
150 * Local variables:
151 * c-basic-offset: 8
152 * End:
153 */
154
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